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Old 01-11-2013, 01:18 PM   #1418
Scooby Specialist
Member#: 283589
Join Date: May 2011
Chapter/Region: SCIC
2011 Impreza WRX


Originally Posted by sc00by4life View Post

your post is not relevant to anything.

I understand what you're trying to do, but you need to compare the sizes that are being discussed....

235/45/17 vs 245/35/18.....
With these two tires sizes ^^ the difference on his speedo would be -2.3% ..... Or "slower" than actual speed of vehicle .... Or 1.38 mph @60mph
If the OP doesn't want much change he'd have to go with a 265-35-18 which would give a difference of -0.1%

Not significant .....
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